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All results from a given calculation for C6H10 (2-Hexyne)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-39.875214
Energy at 298.15K-39.884055
Nuclear repulsion energy112.011998
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3081 2986 57.07      
2 A 3075 2981 20.92      
3 A 3025 2932 37.71      
4 A 3012 2920 42.66      
5 A 3009 2916 61.86      
6 A 2998 2906 21.57      
7 A 2309 2239 0.01      
8 A 1518 1472 5.46      
9 A 1502 1456 0.47      
10 A 1491 1446 6.46      
11 A 1488 1442 1.43      
12 A 1421 1378 2.74      
13 A 1419 1376 4.89      
14 A 1382 1340 2.61      
15 A 1299 1259 16.88      
16 A 1139 1104 0.87      
17 A 1104 1070 1.80      
18 A 1047 1015 0.17      
19 A 1024 993 1.52      
20 A 884 857 2.86      
21 A 751 728 0.14      
22 A 480 465 1.40      
23 A 331 321 0.11      
24 A 266 258 7.90      
25 A 105 102 1.73      
26 A 3081 2987 103.12      
27 A 3075 2981 20.74      
28 A 3055 2961 0.79      
29 A 3025 2932 10.40      
30 A 1511 1464 7.63      
31 A 1491 1446 6.03      
32 A 1320 1280 0.00      
33 A 1255 1217 0.40      
34 A 1121 1087 0.18      
35 A 1045 1013 0.26      
36 A 867 840 0.30      
37 A 737 714 2.16      
38 A 371 359 0.00      
39 A 237 229 0.19      
40 A 220 214 10.31      
41 A 86 84 0.30      
42 A 21 21 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30838.3 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 29894.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-121G*
ABC
0.59711 0.03906 0.03769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.176 -2.840 0.000
C2 -1.693 2.964 0.000
C3 0.921 -0.284 0.000
C4 0.000 0.872 0.000
C5 0.189 -1.654 0.000
C6 -0.768 1.814 0.000
H7 0.642 -3.799 0.000
H8 -2.739 2.629 0.000
H9 1.825 -2.820 0.887
H10 1.825 -2.820 -0.887
H11 -0.466 -1.708 -0.880
H12 -0.466 -1.708 0.880
H13 1.580 -0.225 -0.880
H14 1.580 -0.225 0.880
H15 -1.542 3.593 0.887
H16 -1.542 3.593 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.47482.56823.89371.54285.04391.09776.72591.09901.09902.18012.18012.78872.78877.03987.0398
C26.47484.16982.69174.98751.47617.15541.09816.82816.82814.91054.91054.65374.65371.09811.0981
C32.56824.16981.47811.55292.69373.52564.67772.83422.83422.17352.17351.10101.10104.67844.6784
C43.89372.69171.47812.53321.21564.71503.25404.21274.21272.76552.76552.11492.11493.25113.2511
C51.54284.98751.55292.53323.59822.19225.18852.19592.19591.09861.09862.18002.18005.59635.5963
C65.04391.47612.69371.21563.59825.78792.13275.38395.38393.64333.64333.23163.23162.13322.1332
H71.09777.15543.52564.71502.19225.78797.26331.77311.77312.52512.52513.79863.79867.75917.7591
H86.72591.09814.67773.25405.18852.13277.26337.16307.16304.97524.97525.25075.25071.77461.7746
H91.09906.82812.83424.21272.19595.38391.77317.16301.77353.09962.54663.14902.60697.24327.4573
H101.09906.82812.83424.21272.19595.38391.77317.16301.77352.54663.09962.60693.14907.45737.2432
H112.18014.91052.17352.76551.09863.64332.52514.97523.09962.54661.76072.52703.07965.69085.4092
H122.18014.91052.17352.76551.09863.64332.52514.97522.54663.09961.76073.07962.52705.40925.6908
H132.78874.65371.10102.11492.18003.23163.79865.25073.14902.60692.52703.07961.75975.23874.9316
H142.78874.65371.10102.11492.18003.23163.79865.25072.60693.14903.07962.52701.75974.93165.2387
H157.03981.09814.67843.25115.59632.13327.75911.77467.24327.45735.69085.40925.23874.93161.7749
H167.03981.09814.67843.25115.59632.13327.75911.77467.45737.24325.40925.69084.93165.23871.7749

picture of 2-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C3 112.113 C1 C5 H11 110.111
C1 C5 H12 110.111 C2 C6 C4 179.648
C3 C4 C6 179.359 C3 C5 H11 108.908
C3 C5 H12 108.908 C4 C3 C5 113.366
C4 C3 H13 109.296 C4 C3 H14 109.296
C5 C1 H7 111.125 C5 C1 H9 111.337
C5 C1 H10 111.337 C5 C3 H13 109.270
C5 C3 H14 109.270 C6 C2 H8 111.042
C6 C2 H15 111.085 C6 C2 H16 111.085
H7 C1 H9 107.637 H7 C1 H10 107.637
H8 C2 H15 107.816 H8 C2 H16 107.816
H9 C1 H10 107.581 H11 C5 H12 106.518
H13 C3 H14 106.086 H15 C2 H16 107.844
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.509      
2 C -0.760      
3 C -0.439      
4 C 0.671      
5 C -0.276      
6 C -0.388      
7 H 0.175      
8 H 0.189      
9 H 0.155      
10 H 0.155      
11 H 0.157      
12 H 0.157      
13 H 0.168      
14 H 0.168      
15 H 0.188      
16 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.122 -0.067 0.000 0.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.754 -3.061 0.000
y -3.061 -35.037 0.000
z 0.000 0.000 -38.692
Traceless
 xyz
x 0.110 -3.061 0.000
y -3.061 2.687 0.000
z 0.000 0.000 -2.797
Polar
3z2-r2-5.594
x2-y2-1.717
xy-3.061
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.230 -3.134 0.000
y -3.134 13.238 0.000
z 0.000 0.000 7.814


<r2> (average value of r2) Å2
<r2> 240.792
(<r2>)1/2 15.517